Home / 26,435.78-39,654.33-6,715.86

Finding the Fourth Proportional to 26,435.78, 39,654.33 and 6,715.86

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Solution

The fourth proportional to 26,435.78, 39,654.33 and 6,715.86 is: 10,073.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,435.78 : 39,654.33 = 6,715.86 : x
  2. Step 2: Convert to fraction form
    26,435.78/39,654.33 = 6,715.86/x
  3. Step 3: Cross multiply
    26,435.78x = 39,654.33 × 6,715.86
  4. Step 4: Simplify right side
    26,435.78x = 266,312,754.79
  5. Step 5: Solve for x
    x = 266,312,754.79/26,435.78
  6. Step 6: Final answer
    x = 10,073.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.